<template>
<div style="display: flex;">
  <div :style="{width:(isCollapse ? '64px':'208px')}">

    <el-menu background-color="#3c82f5"
             style="width:100%;height:100%;min-height:100vh;"
             text-color="#fff"
             active-text-color="#ff0"
             :collapse="isCollapse"
             :collapse-transition="false"
             unique-opened router
             @select="selectMenu" >

      <el-row style="padding-top: 10px;">
        <el-col :span="2">
        </el-col>
        <el-col :span="7" style="padding-left:7px;">
          <el-avatar src="/imgs/admin/logo.png" style="width:35px;height:35px;"></el-avatar>
        </el-col>
        <el-col :span="isCollapse ? 0 : 13">
          <router-link to="/" style="color:#fff;text-decoration:none;position:relative;top:8px;left:2px;font-weight: bold;">
            智慧车辆
          </router-link>
        </el-col>
      </el-row>

      <el-sub-menu index="1">
        <!--      #title表示是标题的意思  -->
        <template #title>
          <el-icon style="font-size:21px;"><User/></el-icon><span>用户管理</span>
        </template>
        <el-menu-item index="/user">用户列表</el-menu-item>
      </el-sub-menu>
      <el-sub-menu index="2">
        <template #title>
          <el-icon style="font-size:21px;"><Van/></el-icon>
          <span>车辆管理</span>
        </template>
        <el-menu-item index="/vehicle">基本信息</el-menu-item>
      </el-sub-menu>
      <el-sub-menu index="3">
        <template #title>
          <el-icon style="font-size:21px;"><Place/></el-icon>
          <span>调度管理</span>
        </template>
        <el-menu-item index="/application">申请列表</el-menu-item>
        <el-menu-item index="/audit">调度审核</el-menu-item>
        <el-menu-item index="/distribute">车辆分配</el-menu-item>
      </el-sub-menu>
      <el-sub-menu index="4">
        <template #title>
          <el-icon style="font-size:21px;"><Location/></el-icon>
          <span>电子围栏</span>
        </template>
        <el-menu-item index="/geofence">围栏管理</el-menu-item>
      </el-sub-menu>
      <el-sub-menu index="5">
        <template #title>
          <el-icon style="font-size:21px;"><MessageBox/></el-icon>
          <span>数据字典</span>
        </template>
        <el-menu-item index="/dict">字典管理</el-menu-item>
      </el-sub-menu>
    </el-menu>
  </div>
  <div :style="{width:(isCollapse ? 'calc(100% - 64px)':'calc(100% - 208px)')}">
      <el-header style="background-color:#fff;padding-top: 22px;height: 10vh;">
        <el-row :gutter="10">
          <el-col :span="18">
            <el-icon style="font-size: 20px;position: relative;top:3px;" @click="changeCollapsed"><Expand/></el-icon>
          </el-col>
          <el-col :span="6" style="position: relative;">
            <el-dropdown trigger="click" style="position:absolute;right:20px;">
          <span style="font-size:19px;font-weight: bold;">
               {{user.username}}
            <el-icon><arrow-dow n/></el-icon>
          </span>
              <template #dropdown>
                <el-dropdown-menu>
                  <el-dropdown-item @click="logout">退出登录</el-dropdown-item>
                </el-dropdown-menu>
              </template>
            </el-dropdown>
          </el-col>
        </el-row>

        <el-breadcrumb separator="/" style="position: relative;top:20px;">
          <el-breadcrumb-item>首页</el-breadcrumb-item>
          <el-breadcrumb-item v-for="item in breadCrumb">{{item}}
          </el-breadcrumb-item>
        </el-breadcrumb>
      </el-header>
      <el-main style="padding:0;min-height:90vh;overflow-y: auto;">
        <router-view/>
      </el-main>
  </div>

</div>
</template>


<script setup>
import {ref} from "vue";

const isCollapse = ref(false);
const changeCollapsed = () => {
  isCollapse.value = !isCollapse.value;
}

const breadCrumb = ref(JSON.parse('["用户管理","用户列表"]'));

let map={
  '/user':['用户管理','用户列表'],
  '/vehicle': ['车辆管理','基本信息'],
  '/application': ['调度管理','申请列表'],
  '/audit': ['调度管理','调度审核'],
  '/distribute':['调度管理','车辆分配'],
  '/geofence':['电子围栏','围栏管理'],
  '/dict':['数据字典','字典管理']
}

const selectMenu=(index)=>{
  breadCrumb.value = map[index];
}

const user = ref(getUser());

const logout = ()=>{
  if (confirm('确定要退出吗?')){
    localStorage.removeItem('user');
    //退出时,面包屑也需要清空!
    localStorage.removeItem('breadCrumb');
    window.location.href = '/login';
    user.value = '';
  }
}
</script>
